Question

Решить уравнение
log1/2(x^2+4-5)=-4

Answer 1

log1/2(x^2+4-5)=-4
log1/2(x^2-1)=-4
log1/2(x^2-1)=log1/2(16)
x^2-1=16
x^2=17
x=+-√17